Updated charted DEP to 0.4.X

packages/charted/lib/charts/cartesian_renderers/line_chart_renderer.dart

 //
 // Copyright 2014 Google Inc. All rights reserved.
 //
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file or at
 // https://developers.google.com/open-source/licenses/bsd
 //
 
 part of charted.charts;
 
 class LineChartRenderer extends CartesianRendererBase {
   final Iterable<int> dimensionsUsingBand = const [];
-  final SubscriptionsDisposer _disposer = new SubscriptionsDisposer();
 
   final bool alwaysAnimate;
   final bool trackDataPoints;
   final bool trackOnDimensionAxis;
   final int quantitativeScaleProximity;
 
   bool _trackingPointsCreated = false;
   List _xPositions = [];
 
   // Currently hovered row/column
@@ skipping 218 matching lines @@
       area.state.select(int.parse(e.dataset['column']));
     }
     if (mouseClickController != null && e.tagName == 'circle') {
       var row = int.parse(e.dataset['row']),
           column = int.parse(e.dataset['column']);
       mouseClickController.add(
           new DefaultChartEventImpl(scope.event, area, series, row, column, d));
     }
   }
 
-  void _mouseOverHandler(d, i, e) {
+  void _mouseOverHandler(d, int i, Element e) {
     if (area.state != null) {
       area.state.preview = int.parse(e.dataset['column']);
     }
     if (mouseOverController != null && e.tagName == 'circle') {
       _savedOverRow = int.parse(e.dataset['row']);
       _savedOverColumn = int.parse(e.dataset['column']);
       mouseOverController.add(new DefaultChartEventImpl(
           scope.event, area, series, _savedOverRow, _savedOverColumn, d));
     }
   }
 
-  void _mouseOutHandler(d, i, e) {
+  void _mouseOutHandler(d, int i, Element e) {
     if (area.state != null &&
         area.state.preview == int.parse(e.dataset['column'])) {
       area.state.preview = null;
     }
     if (mouseOutController != null && e.tagName == 'circle') {
       mouseOutController.add(new DefaultChartEventImpl(
           scope.event, area, series, _savedOverRow, _savedOverColumn, d));
     }
   }
 }